/**
 * Copyright (C) 2008 aileron.cc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cc.aileron.web.cm.auth;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import com.google.inject.Inject;

/**
 * Session による userIdの格納
 * @author Aileron
 *
 */
public class UserIdContainerSession implements UserIdContainer
{
    /**
     * session-id-key
     */
    private static final String KEY = "SESSION_ID";
    
    /**
     * request
     */
    @Inject
    private HttpServletRequest request;
    
    /* (非 Javadoc)
     * @see cc.aileron.web.cm.auth.UserIdContainer#getId()
     */
    @Override
    public Integer getId()
    {
        final HttpSession session = request.getSession(true);
        return (Integer) session.getAttribute(KEY);
    }

    /* (非 Javadoc)
     * @see cc.aileron.web.cm.auth.UserIdContainer#setId(int)
     */
    @Override
    public void setId(int id)
    {
        final HttpSession session = request.getSession(true);
        session.setAttribute(KEY, id);
    }

}
